// The MIT License (MIT)
//
// Copyright (c) 2015-2017 Simon Ninon <simon.ninon@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#pragma once

#include <cpp_redis/builders/builder_iface.hpp>
#include <cpp_redis/core/reply.hpp>

#include <cstdint>

namespace cpp_redis {

namespace builders {

/**
 * builder to build redis integer replies
 *
 */
class integer_builder : public builder_iface {
public:
/**
 * ctor
 *
 */
  integer_builder();
/**
 * dtor
 *
 */
  ~integer_builder() override = default;

/**
 * copy ctor
 *
 */
  integer_builder(const integer_builder&) = delete;
/**
 * assignment operator
 *
 */
  integer_builder& operator=(const integer_builder&) = delete;

public:
/**
 * take data as parameter which is consumed to build the reply
 * every bytes used to build the reply must be removed from the buffer passed as parameter
 *
 * @param data data to be consumed
 * @return current instance
 *
 */
  builder_iface& operator<<(std::string& data) override;

/**
 * @return whether the reply could be built
 *
 */
  bool reply_ready() const override;

/**
 * @return reply object
 *
 */
  reply get_reply() const override;

/**
 * @return the parsed integer
 *
 */
  int64_t get_integer() const;

private:
/**
 * parsed number
 *
 */
  int64_t m_nbr;

/**
 * -1 for negative number, 1 otherwise
 *
 */
  int64_t m_negative_multiplicator;

/**
 * whether the reply is ready or not
 *
 */
  bool m_reply_ready;

/**
 * reply to be built
 *
 */
  reply m_reply;
};

} // namespace builders

} // namespace cpp_redis
